Buggy code:
public class DependencyPipe implements Serializable { private static final long serialVersionUID = 1L ; public static int TOKEN_START = 1 ; public static int TOKEN_END = 2 ; public static int TOKEN_MID = 3 ; public static int TOKEN_QUOTE = 4 ; public static int TOKEN_RRB = 5 ; public static int TOKEN_LRB = 6 ; public transient Options options ; public Dictionary tagDictionary ; public Dictionary wordDictionary ; public int tagNumBits ; public int wordNumBits ; public int disNumBits = 4 ; public static String unknowWord = "*UNKNOWN*" ; public Dictionary wordVecDictionary ; public double [ ] [ ] wordVectors = null ; public double [ ] unknownWv = null ; public transient boolean onlyLowerCase = false ; public int numArcFeats ; public int numWordFeats ; public int [ ] types ; public Alphabet typeAlphabet ; private Alphabet wordAlphabet ; private Alphabet arcAlphabet ; public int ccDepType ; public HashSet < String > conjWord ; public HashMap < String , String > coarseMap ; public DependencyPipe ( Options options ) throws IOException { } public void loadLanguageInfo ( ) throws IOException { coarseMap = new HashMap < String , String > ( ) ; try { BufferedReader br = new BufferedReader ( new FileReader ( options . unimapFile ) ) ; String str = null ; while ( ( str = br . readLine ( ) ) != null ) { String [ ] data = str . split ( "\\s+" ) ; coarseMap . put ( data [ 0 ] , data [ 1 ] ) ; } br . close ( ) ; coarseMap . put ( "<root-POS>" , "ROOT" ) ; <START_BUG> } catch ( FileNotFoundException e ) { <END_BUG> System . out . println ( "Warning:<seq2seq4repair_space>couldn't<seq2seq4repair_space>find<seq2seq4repair_space>coarse<seq2seq4repair_space>POS<seq2seq4repair_space>map<seq2seq4repair_space>for<seq2seq4repair_space>this<seq2seq4repair_space>language" ) ; } PossibleLang lang = options . lang ; if ( ( ( ( ( lang == ( PossibleLang . Arabic ) ) || ( lang == ( PossibleLang . Slovene ) ) ) || ( lang == ( PossibleLang . Chinese ) ) ) || ( lang == ( PossibleLang . Czech ) ) ) || ( lang == ( PossibleLang . Dutch ) ) ) { ccDepType = 0 ; } else if ( ( ( ( lang == ( PossibleLang . Bulgarian ) ) || ( lang == ( PossibleLang . German ) ) ) || ( lang == ( PossibleLang . Portuguese ) ) ) || ( lang == ( PossibleLang . Spanish ) ) ) { ccDepType = 1 ; } else if ( ( lang == ( PossibleLang . Danish ) ) || ( lang == ( PossibleLang . English08 ) ) ) { ccDepType = 2 ; } else if ( lang == ( PossibleLang . Japanese ) ) { ccDepType = 3 ; } else if ( lang == ( PossibleLang . Swedish ) ) { ccDepType = 4 ; } else if ( lang == ( PossibleLang . Turkish ) ) { ccDepType = 5 ; } else { ccDepType = 0 ; } conjWord = new HashSet < String > ( ) ; switch ( lang ) { case Turkish : conjWord . add ( "ve" ) ; conjWord . add ( "veya" ) ; break ; case Arabic : conjWord . add ( "w" ) ; conjWord . add ( ">w" ) ; conjWord . add ( ">n" ) ; break ; case Bulgarian : conjWord . add ( "и" ) ; conjWord . add ( "или" ) ; break ; case Chinese : conjWord . add ( "和" ) ; conjWord . add ( "或" ) ; break ; case Czech : conjWord . add ( "a" ) ; conjWord . add ( "ale" ) ; conjWord . add ( "i" ) ; conjWord . add ( "nebo" ) ; break ; case Danish : conjWord . add ( "og" ) ; conjWord . add ( "eller" ) ; break ; case Dutch : conjWord . add ( "en" ) ; conjWord . add ( "of" ) ; break ; case English08 : conjWord . add ( "and" ) ; conjWord . add ( "or" ) ; break ; case German : conjWord . add ( "und" ) ; conjWord . add ( "oder" ) ; break ; case Japanese : conjWord . add ( "ya" ) ; break ; case Portuguese : conjWord . add ( "e" ) ; conjWord . add ( "ou" ) ; break ; case Slovene : conjWord . add ( "in" ) ; conjWord . add ( "ali" ) ; break ; case Spanish : conjWord . add ( "y" ) ; conjWord . add ( "e" ) ; conjWord . add ( "o" ) ; break ; case Swedish : conjWord . add ( "och" ) ; conjWord . add ( "eller" ) ; break ; default : break ; } } public void createDictionaries ( String file ) throws IOException { } public void createAlphabets ( String file ) throws IOException { } public void loadWordVectors ( String file ) throws IOException { } public void closeAlphabets ( ) { } public DependencyInstance [ ] createInstances ( String file ) throws IOException { } public DependencyInstance createInstance ( DependencyReader reader ) throws IOException { } public void initFeatureAlphabets ( DependencyInstance inst ) { } public FeatureVector createArcFeatures ( DependencyInstance inst , int h , int c ) { } public void addBasic1OFeatures ( FeatureVector fv , DependencyInstance inst , int h , int m , int attDist ) { } public void addCore1OPosFeatures ( FeatureVector fv , DependencyInstance inst , int h , int c , int attDist ) { } public void addCore1OBigramFeatures ( FeatureVector fv , int head , int headP , int mod , int modP , int attDist ) { } public FeatureVector createWordFeatures ( DependencyInstance inst , int i ) { } public void addWordVectorFeatures ( DependencyInstance inst , int i , int dis , FeatureVector fv ) { }

Fix:
} catch ( Exception e ) {